Homeowner had a small water stain on the ceiling of the laundry room. As well as damaged baseboards in the upstairs bathroom near the tub. No leaks at toilet, shower valve and drain are on the opposite side of the wall with damage. No moisture present at this time. Advised homeowner to purchase splash guards for the tub for water getting outside of the tub when her son shower. Stain in laundry room has no moisture at this time. Advised homeowner to trace the stain and monitor. The wall the stains are appearing on is a shared wall with the unit next-door. Homeowner is going to speak with neighbor about any possible leaks from their unit. Homeowner did not want to cut into sheet rock to investigate further at this time. Homeowner did suspect issue was with water getting outside of the tub when her son is showering and just wanted a professional opinion at this time.